filename: 500
hash function: abcdef
total buckets:       262147
total tuples:        10020 (3.82%)
used buckets:        9848 (3.76%)
maximum list length: 3
average list length: 1.02
hash cost per tuple: 44 cyc, 89 ns, 11 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	3	0.03%
170	2	3.42%
9677	1	100.00%
252299	0	100.00%